Note 1 - Basis of Presentation (Details Textual) - USD ($) $ in Thousands	Oct. 31, 2024	Apr. 30, 2024	Jan. 31, 2024
Property, Plant and Equipment, Net	$ 35,652	$ 36,788	$ 37,620
Accounts Payable, Current	$ 20,788	23,249	$ 25,323
Revision of Prior Period, Adjustment [Member]
Property, Plant and Equipment, Net		(1,423)
Accounts Payable, Current		$ (1,423)

Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
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-Paragraph 7A
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Reference 3: http://www.xbrl.org/2003/role/exampleRef
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
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